<!DOCTYPE html>
<html lang="en">

    <head>
        <meta charset="UTF-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>开屏广告</title>
    </head>

    <body class="ad">
        <header class="ad-title">源码健身</header>
        <main class="ad-main">
            <a href="login.html" id="timebox"><span id="time">5</span>s | 跳过</a>
            <h1 id="slogan">大家一起来健身</h1>
        </main>
    </body>

</html>